Vodafone — keep reducing my balance for no reason

Address:

Karnataka

My balance keeps reducing by 5rs for no reason at all. When i called 198 to complain, the executive sent me a msg "CAN Win" to 144 but my money which i had lost wont be refunded. k fine..i did that but it has not stopped and now i cant even complaint don't know whats wrong. I don't wanna recharge and want to change the service provider